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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9/procedures/hwp/io/p9_io_obus_scominit.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015,2016 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
///
/// @file p9_io_obus_scominit.C
/// @brief Invoke OBUS initfile
///
//----------------------------------------------------------------------------
// *HWP HWP Owner : Chris Steffen <cwsteffen@us.ibm.com>
// *HWP HWP Backup Owner: Gary Peterson <garyp@us.ibm.com>
// *HWP FW Owner : Sumit Kumar <sumit_kumar@in.ibm.com>
// *HWP Team : IO
// *HWP Level : 2
// *HWP Consumed by : FSP:HB
//----------------------------------------------------------------------------
//
// @verbatim
// High-level procedure flow:
//
// Invoke OBUS scominit file.
//
// Procedure Prereq:
// - System clocks are running.
// @endverbatim
//----------------------------------------------------------------------------
//------------------------------------------------------------------------------
// Includes
//------------------------------------------------------------------------------
#include <p9_io_scom.H>
#include <p9_io_regs.H>
#include <p9_io_obus_scominit.H>
//------------------------------------------------------------------------------
// Constant definitions
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
// Function definitions
//------------------------------------------------------------------------------
// HWP entry point, comments in header
fapi2::ReturnCode p9_io_obus_scominit(
const fapi2::Target<fapi2::TARGET_TYPE_OBUS>& i_target,
const fapi2::Target<fapi2::TARGET_TYPE_OBUS>& i_connected_target)
{
// mark HWP entry
FAPI_INF("p9_io_obus_scominit: Entering...");
const uint8_t GROUP_00 = 0;
const uint8_t LANE_00 = 0;
const uint8_t SET_RESET = 1;
const uint8_t CLEAR_RESET = 0;
fapi2::ReturnCode rc = fapi2::FAPI2_RC_SUCCESS;
// get system target
const fapi2::Target<fapi2::TARGET_TYPE_SYSTEM> l_system_target;
// assert IO reset to power-up bus endpoint logic
FAPI_TRY( io::rmw( OPT_IORESET_HARD_BUS0, i_target, GROUP_00, LANE_00, SET_RESET ) );
// Bus Reset is relatively fast, only needing < a hundred cycles to allow the signal to propogate.
FAPI_TRY( fapi2::delay( 10, 1000 ) );
FAPI_TRY( io::rmw( OPT_IORESET_HARD_BUS0, i_target, GROUP_00, LANE_00, CLEAR_RESET ) );
FAPI_INF("Invoke FAPI procedure core: input_target");
//TODO:
#if 0
FAPI_EXEC_HWP(rc, p9_obus_scom, i_target, l_system_target);
#endif
FAPI_INF("Invoke FAPI procedure core: connected_target");
//TODO:
#if 0
FAPI_EXEC_HWP(rc, p9_obus_scom, i_connected_target, l_system_target);
#endif
// mark HWP exit
FAPI_INF("p9_io_obus_scominit: ...Exiting");
fapi_try_exit:
return fapi2::current_err;
}
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